Exterior surface configuration for a vehicle taillight



FIG. 1 is a perspective view of an exterior surface configuration for a vehicle taillight. The dash line included denotes environment and is not part of the claimed design.

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is a top view thereof. 

CLAIM An ornamental design for an exterior surface configuration for a vehicle taillight, as shown and described. 